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https://github.com/drasko/codezero.git
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79 lines
2.0 KiB
Python
79 lines
2.0 KiB
Python
#
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# Copyright (C) 2007 Bahadir Balban
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#
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import os
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import glob
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import sys
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from os.path import join
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from string import split
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project_root = "../.."
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kernel_headers = join(project_root, "include")
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config_h = join(project_root, "include/l4/config.h")
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env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
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CCFLAGS = ['-g', '-nostdinc', '-nostdlib', '-ffreestanding'],
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LINKFLAGS = ['-nostdlib'],
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ENV = {'PATH' : os.environ['PATH']},
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LIBS = 'gcc')
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def extract_arch_subarch_plat(config_header):
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'''
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From the autogenerated kernel config.h, extracts platform, archictecture,
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subarchitecture information. This is used to include the relevant headers
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from the kernel directories.
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'''
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arch = None
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subarch = None
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plat = None
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if not os.path.exists(config_header):
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print "\n\nconfig.h does not exist. "\
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"Please run: `scons configure' first\n\n"
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sys.exit()
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f = open(config_h, "r")
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while True:
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line = f.readline()
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if line == "":
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break
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parts = split(line)
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if len(parts) > 0:
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if parts[0] == "#define":
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if parts[1] == "__ARCH__":
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arch = parts[2]
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elif parts[1] == "__PLATFORM__":
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plat = parts[2]
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elif parts[1] == "__SUBARCH__":
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subarch = parts[2]
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f.close()
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if arch == None:
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print "Error: No config symbol found for architecture"
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sys.exit()
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if subarch == None:
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print "Error: No config symbol found for subarchitecture"
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sys.exit()
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if plat == None:
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print "Error: No config symbol found for platform"
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sys.exit()
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return arch, subarch, plat
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def create_symlinks(arch):
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if not os.path.exists("include/l4lib/arch"):
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os.system("ln -s %s %s" % ("arch-" + arch, "include/l4lib/arch"))
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arch, subarch, plat = extract_arch_subarch_plat(config_h)
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create_symlinks(arch) # Creates symlinks to architecture specific directories.
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headers = ["#include", "#include/libl4/arch", kernel_headers]
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env.Append(CPPPATH = headers)
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src = glob.glob("src/*.c") + glob.glob("src/%s/*.[cS]" % arch)
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libl4 = env.StaticLibrary('l4', src)
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